LiNi<sub>0.6</sub>Co<sub>0.2</sub>Mn<sub>0.6</sub>O<sub>2&

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LiNi0.6Co0.2Mn0.6O2正极材料因其高比容量而受到科学研究者的广泛研究,但是依然存在着倍率性能差、界面稳定性差和结构稳定性差等问题,严重制约了其进一步的发展。针对这些问题,本文探究了Na和Br 的共掺杂量对材料性能的影响,并通过X射线衍射(XRD)、XRD精修、交流阻抗(EIS)、循环伏安曲线(CV)以及充放电测试等方法进行了分析和表征。结果表明,适当的Na+和Br-掺杂能够改善材料的电化学性能。当掺杂量为1%的样品具有比较优异的结构稳定性和电化学性能。其在5 C下的容量高达178.2 mA
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